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Replace your rusted or worn automatic transmission vacuum lines with something better. Our selection of steel and stainless steel lines from Classic Tube and Right Stuff...
Replace your rusted or worn automatic transmission vacuum lines with something better. Our selection of steel and stainless steel lines from Classic Tube and Right Stuff Detailing are made to last—even in the harshest environments. Using state-of-the-art tubing benders, the lines are pre-bent like the original factory lines to simplify installation. Just choose your application for a custom fit! We carry transmission vacuum lines for GM Powerglide, TH350, TH400; Ford C-4, C-6, Fordomatic; Chrysler Torqueflite 727, and many others. Start your automatic transmission vacuum line replacement now at Summit Racing!
Replace your rusted or worn automatic transmission vacuum lines with something better. Our selection of steel and stainless steel lines from Classic Tube and Right Stuff Detailing are made to last—even in the harshest environments. Using state-of-the-art tubing benders, the lines are pre-bent like the original factory lines to simplify installation. Just choose your application for a custom fit! We carry transmission vacuum lines for GM Powerglide, TH350, TH400; Ford C-4, C-6, Fordomatic; Chrysler Torqueflite 727, and many others. Start your automatic transmission vacuum line replacement now at Summit Racing!
Showing In Stock Items. Show All 46 Items.
Automatic Transmission Modulator Line, Stainless Steel, Chevy, GMC, TH350, Each
Part Number: CST-CTM1002-SS
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Modulator Line, Steel, Chevy, TH400, Each
Part Number: CST-CEM1001-OE
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Vacuum Line, Modualtor, 1/4 in. O.D., Fits Models with Factory Equipped V8 Engines Only, Steel, Ford, C4, Each
Part Number: CST-MUM1003-OE
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH400, Each
Part Number: CST-CEM1001-SS
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Modulator Line, Steel, Chevy, Powerglide, TH350, Each
Part Number: CST-CEM1002-OE
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Modulator Line, Steel, Ford, C-6, Fits Models with Factory Equipped V8 Engines Only, Each
Part Number: CST-MUM1006-OE
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH400, Each
Part Number: CST-CTM1004-SS
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Automatic Transmission Modulator Line, Steel, Chevy, TH400, Each
Part Number: CST-CAM1002-OE
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Steel, Ford, C-4, Fits Models with Factory Equipped 289 Engines Only, Each
Part Number: CST-MUM1002-OE
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Steel, Ford, C-4, Fits Models with Factory Equipped V8 Engines Only, Each
Part Number: CST-MUM1005-OE
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH400, Each
Part Number: CST-CAM1002-SS
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Automatic Transmission Modulator Line, Steel, Chevy, TH350, Right Side Modulator Only, Each
Part Number: CST-CAM1003-OE
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH350, Right Side Modulator Only, Each
Part Number: CST-CAM1003-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH400, Each
Part Number: CST-CEM1005-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Stainless, Chevy, TH350, Fits Models with Factory Equipped 350 Engines Only, Each
Part Number: CST-CVM1004-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Steel, Ford, C-6, Models with Factory Equipped 351 4-barrel Carb Engines Only
Part Number: CST-MUM1015-OE
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Stainless, Ford, C-4, Fits Models with Factory Equipped V8 Engines Only, Each
Part Number: CST-MUM1007-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Stainless, Ford, C-6, Fits Models with Factory Equipped V8 Engines Only, Each
Part Number: CST-MUM1008-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Stainless, Ford, C-4, Fits Models with Factory Equipped V8 Engines Only, Each
Part Number: CST-MUM1003-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Stainless, Ford, C-4, Fits Models with Factory Equipped V8 Engines Only, Each
Part Number: CST-MUM1005-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Stainless, Ford, C-6, Fits Models with Factory Equipped V8 Engines Only, Each
Part Number: CST-MUM1006-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Automatic Transmission Modulator Line, Steel, Chevy, TH400, Fits Models with Factory Equipped 350 Engine Only
Part Number: CST-CAM1006-OE
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Steel, Chevy, Each
Part Number: CST-CAM1001-OE
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Transmission Modulator Line, Stainless Steel, Chevy, TH400, Fits Models with Factory Equipped 350 Engine Only
Part Number: CST-CAM1006-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Automatic Transmission Modulator Line, Stainless Steel, Chevy, Powerglide, TH350, Each
Part Number: CST-CAM1001-SS
Not Yet Reviewed
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
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